﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace _96占位符
{
    internal class Program
    {
        private static void Main()
        {
            string name = "小明";
            int age = 15;
            Console.WriteLine(name + "今年" + age + "岁");
            Console.WriteLine("{0}今年{1}岁", name, age);
            Console.WriteLine($"{name}今年{age}岁");
        }
    }
}